Method and device in UE and base station used for wireless communication

Abstract

The present disclosure discloses a UE and a base station used for wireless communications. The UE receives Q control signaling groups respectively in Q time windows; receives a first control signaling that is used for determining Q1 time window(s) out of the Q time windows; and performs energy detection to determine whether to transmit on a first time-frequency resource; herein, any of the Q control signaling groups comprises a first field; any control signaling comprised by the Q control signaling groups comprises a first field; first fields comprised by control signalings in any of the Q control signaling groups are of a same value; among any Q2 adjacent control signaling groups of the Q control signaling groups, any two control signaling groups comprise first fields of different values; the first radio signal comprises first feedback information. The present disclosure not only ensures HARQ-ACK transmission but reduces signaling overhead redundancy.

What is claimed is: 
     
       1. A method in a user equipment (UE) for wireless communications, comprising:
 receiving Q control signaling groups respectively in Q time windows, any of the Q control signaling groups comprising a positive integer number of control signaling(s); 
 receiving a first control signaling, the first control signaling indicating Q1 time window(s) out of the Q time windows; and 
 performing energy detection so as to determine whether to perform a transmission on a first time-frequency resource; if yes, performing the transmission to transmit a first radio signal on the first time-frequency resource, otherwise not performing the transmission on the first time-frequency resource; 
 wherein any two time windows of the Q time windows are orthogonal in time domain; 
 any control signaling comprised by the Q control signaling groups comprises a first field; 
 among the Q control signaling groups, first fields of same control signaling groups are of a same value; 
 among Q2 adjacent control signaling groups of the Q control signaling groups, first fields of different control signaling groups are of different values; 
 the first radio signal is transmitted on a PUCCH (Physical Uplink Control Channel), or, the first radio signal is transmitted on a PUSCH (Physical Uplink Shared Channel); any control signaling in any control signaling group among the Q control signaling groups is a DCI (Downlink Control Information); 
 the first control signaling indicates Q1, the Q1 time window(s) of the present disclosure is(are) respectively Q1 latest time window(s); 
 the first radio signal comprises first feedback information, the first feedback information is used for determining whether bit blocks transmitted in the Q1 time window(s) are correctly decoded, the Q is a positive integer greater than 1, and the Q1 and the Q2 are respectively positive integers no greater than the Q. 
 
     
     
       2. The method according to  claim 1 , comprising:
 receiving Q radio signal groups respectively in the Q time windows, the Q radio signal groups respectively comprise Q bit block groups, of which any bit block group comprises a positive integer number of bit block(s), any radio signal group of the Q radio signal groups comprises a positive integer number of radio signal(s), wherein the positive integer number of radio signal(s) respectively corresponds(correspond) to bit block(s) comprised in a corresponding bit block group; 
 wherein the bit block(s) transmitted in the Q1 time window(s) comprise Q1 bit block group(s) of the Q bit block groups, and the Q1 bit block groups(s) is(are) respectively transmitted in the Q1 time window(s); the Q control signaling groups respectively correspond to the Q radio signal groups, all control signalings comprised in a control signaling group respectively correspond to all radio signals comprised in a corresponding radio signal group, a control signaling comprises configuration information of a corresponding radio signal, and the configuration information comprises at least one of occupied time-domain resources, occupied frequency-domain resources, a Modulation and Coding Status (MCS), a Redundancy Version (RV) or a New Data Indicator (NDI); a bit block in the Q bit block groups comprises at least one Transport Block (TB) or at least one Code Block Group (CBG). 
 
     
     
       3. The method according to  claim 1 , wherein the first field comprises 2 bits. 
     
     
       4. The method according to  claim 1 , wherein the first feedback information comprises Q1 field(s), the Q1 field(s) respectively corresponds(correspond) to the Q1 time window(s), and each of the Q1 field(s) is used for determining whether bit block(s) transmitted in a corresponding time window is(are) correctly decoded, the first control signaling is used for determining the number of bit block(s) comprised in each of the Q1 field(s). 
     
     
       5. The method according to  claim 1 , wherein the first control signaling is transmitted in a first time window, the first control signaling comprises a second field, and the second field in the first control signaling is used for determining at least one of the following:
 an accumulative number of {serving cell, PDCCH monitoring occasion}-pair(s) comprising downlink control information (DCI) of a target format up to a current serving cell and a current PDCCH monitoring occasion in the first time window, first in ascending order of serving cell index and second in ascending order of PDCCH monitoring occasion index; 
 a total number of {serving cell, PDCCH monitoring occasion}-pair(s) comprising DCI of a target format up to a current PDCCH monitoring occasion in the first time window. 
 
     
     
       6. A method in a base station for wireless communications, comprising:
 transmitting Q control signaling groups respectively in Q time windows, any of the Q control signaling groups comprising a positive integer number of control signaling(s); 
 transmitting a first control signaling, the first control signaling indicating Q1 time window(s) out of the Q time windows; and 
 monitoring a first radio signal on a first time-frequency resource; 
 wherein any two time windows of the Q time windows are orthogonal in time domain; any control signaling comprised by the Q control signaling groups comprises a first field; 
 among the Q control signaling groups, first fields of same control signaling groups are of a same value; 
 among Q2 adjacent control signaling groups of the Q control signaling groups, first fields of different control signaling groups are of different values; 
 the first radio signal is transmitted on a PUCCH (Physical Uplink Control Channel), or, the first radio signal is transmitted on a PUSCH (Physical Uplink Shared Channel); any control signaling in any control signaling group among the Q control signaling groups is a DCI (Downlink Control Information); 
 the first control signaling indicates Q1, the Q1 time window(s) of the present disclosure is(are) respectively Q1 latest time window(s); 
 the first radio signal comprises first feedback information, the first feedback information is used for determining whether bit blocks transmitted in the Q1 time window(s) are correctly decoded, the Q is a positive integer greater than 1, and the Q1 and the Q2 are respectively positive integers no greater than the Q. 
 
     
     
       7. The method according to  claim 6 , comprising:
 transmitting Q radio signal groups respectively in the Q time windows, the Q radio signal groups respectively comprise Q bit block groups, any bit block group of the Q bit block groups comprises a positive integer number of bit block(s), any radio signal group of the Q radio signal groups comprises a positive integer number of radio signal(s), wherein the positive integer number of radio signal(s) respectively corresponds(correspond) to bit block(s) comprised in a corresponding bit block group; 
 wherein the bit block(s) transmitted in the Q1 time window(s) comprise Q1 bit block group(s) of the Q bit block groups, and the Q1 bit block groups(s) is(are) respectively transmitted in the Q1 time window(s); the Q control signaling groups respectively correspond to the Q radio signal groups, all control signalings comprised in a control signaling group respectively correspond to all radio signals comprised in a corresponding radio signal group, a control signaling comprises configuration information of a corresponding radio signal, and the configuration information comprises at least one of occupied time-domain resources, occupied frequency-domain resources, a Modulation and Coding Status (MCS), a Redundancy Version (RV) or a New Data Indicator (NDI); a bit block in the Q bit block groups comprises at least one Transport Block (TB) or at least one Code Block Group (CBG). 
 
     
     
       8. The method according to  claim 6 , wherein the first field comprises 2 bits. 
     
     
       9. The method according to  claim 6 , wherein the first feedback information comprises Q1 field(s), the Q1 field(s) respectively corresponds(correspond) to the Q1 time window(s), and each of the Q1 field(s) is used for determining whether bit block(s) transmitted in a corresponding time window is(are) correctly decoded, the first control signaling is used for determining the number of bit block(s) comprised in each of the Q1 field(s). 
     
     
       10. The method according to  claim 6 , wherein the first control signaling is transmitted in a first time window, the first control signaling comprises a second field, and the second field in the first control signaling is used for determining at least one of the following:
 an accumulative number of {serving cell, PDCCH monitoring occasion}-pair(s) comprising downlink control information (DCI) of a target format up to a current serving cell and a current PDCCH monitoring occasion in the first time window, first in ascending order of serving cell index and second in ascending order of PDCCH monitoring occasion index; 
 a total number of {serving cell, PDCCH monitoring occasion}-pair(s) comprising DCI of a target format up to a current PDCCH monitoring occasion in the first time window. 
 
     
     
       11. A UE for wireless communications, comprising:
 a first receiver: receiving Q control signaling groups respectively in Q time windows, any of the Q control signaling groups comprising a positive integer number of control signaling(s); and receiving a first control signaling, the first control signaling indicating Q1 time window(s) out of the Q time windows; 
 a first transmitter: performing energy detection so as to determine whether to perform a transmission on a first time-frequency resource; if yes, the first transmitter performs the transmission to transmit a first radio signal on the first time-frequency resource, otherwise the first transmitter does not perform the transmission on the first time-frequency resource; 
 wherein any two time windows of the Q time windows are orthogonal in time domain; any control signaling comprised by the Q control signaling groups comprises a first field; 
 among the Q control signaling groups, first fields of same control signaling groups are of a same value; 
 among Q2 adjacent control signaling groups of the Q control signaling groups, first fields of different control signaling groups are of different values; 
 the first radio signal is transmitted on a PUCCH (Physical Uplink Control Channel), or, the first radio signal is transmitted on a PUSCH (Physical Uplink Shared Channel); any control signaling in any control signaling group among the Q control signaling groups is a DCI (Downlink Control Information); 
 the first radio signal comprises first feedback information, the first feedback information is used for determining whether bit blocks transmitted in the Q1 time window(s) are correctly decoded, the Q is a positive integer greater than 1, and the Q1 and the Q2 are respectively positive integers no greater than the Q. 
 
     
     
       12. The UE according to  claim 11 , comprising:
 a first receiver: receiving Q radio signal groups respectively in the Q time windows, the Q radio signal groups respectively comprise Q bit block groups, of which any bit block group comprises a positive integer number of bit block(s), any radio signal group of the Q radio signal groups comprises a positive integer number of radio signal(s), wherein the positive integer number of radio signal(s) respectively corresponds(correspond) to bit block(s) comprised in a corresponding bit block group; 
 wherein the bit block(s) transmitted in the Q1 time window(s) comprise Q1 bit block group(s) of the Q bit block groups, and the Q1 bit block groups(s) is(are) respectively transmitted in the Q1 time window(s); the Q control signaling groups respectively correspond to the Q radio signal groups, all control signalings comprised in a control signaling group respectively correspond to all radio signals comprised in a corresponding radio signal group, a control signaling comprises configuration information of a corresponding radio signal, and the configuration information comprises at least one of occupied time-domain resources, occupied frequency-domain resources, a Modulation and Coding Status (MCS), a Redundancy Version (RV) or a New Data Indicator (NDI); a bit block in the Q bit block groups comprises at least one Transport Block (TB) or at least one Code Block Group (CBG). 
 
     
     
       13. The UE according to  claim 11 , the first feedback information comprises Q1 field(s), the Q1 field(s) respectively corresponds(correspond) to the Q1 time window(s), and each of the Q1 field(s) is used for determining whether bit block(s) transmitted in a corresponding time window is(are) correctly decoded, the first control signaling is used for determining the number of bit block(s) comprised in each of the Q1 field(s); or, the first field comprises 2 bits. 
     
     
       14. The UE according to  claim 11 , wherein the first control signaling indicates Q1, the Q1 time window(s) of the present disclosure is(are) respectively Q1 latest time window(s). 
     
     
       15. The UE according to  claim 11 , wherein the first control signaling is transmitted in a first time window, the first control signaling comprises a second field, and the second field in the first control signaling is used for determining at least one of the following:
 an accumulative number of {serving cell, PDCCH monitoring occasion}-pair(s) comprising downlink control information (DCI) of a target format up to a current serving cell and a current PDCCH monitoring occasion in the first time window, first in ascending order of serving cell index and second in ascending order of PDCCH monitoring occasion index; 
 a total number of {serving cell, PDCCH monitoring occasion}-pair(s) comprising DCI of a target format up to a current PDCCH monitoring occasion in the first time window. 
 
     
     
       16. A base station for wireless communications, comprising:
 a second transmitter: transmitting Q control signaling groups respectively in Q time windows, any of the Q control signaling groups comprising a positive integer number of control signaling(s); and transmitting a first control signaling, the first control signaling indicating Q1 time window(s) out of the Q time windows; 
 a second receiver: monitoring a first radio signal on a first time-frequency resource; 
 wherein any two time windows of the Q time windows are orthogonal in time domain; any control signaling comprised by the Q control signaling groups comprises a first field; 
 among the Q control signaling groups, first fields of same control signaling groups are of a same value; 
 among Q2 adjacent control signaling groups of the Q control signaling groups, any first fields of different control signaling groups are of different values; 
 the first radio signal is transmitted on a PUCCH (Physical Uplink Control Channel), or, the first radio signal is transmitted on a PUSCH (Physical Uplink Shared Channel); any control signaling in any control signaling group among the Q control signaling groups is a DCI (Downlink Control Information); 
 the first radio signal comprises first feedback information, the first feedback information is used for determining whether bit blocks transmitted in the Q1 time window(s) are correctly decoded, the Q is a positive integer greater than 1, and the Q1 and the Q2 are respectively positive integers no greater than the Q. 
 
     
     
       17. The base station according to  claim 16 , comprising:
 a second transmitter: transmitting Q radio signal groups respectively in the Q time windows, the Q radio signal groups respectively comprise Q bit block groups, any bit block group of the Q bit block groups comprises a positive integer number of bit block(s), any radio signal group of the Q radio signal groups comprises a positive integer number of radio signal(s), wherein the positive integer number of radio signal(s) respectively corresponds(correspond) to bit block(s) comprised in a corresponding bit block group; 
 wherein the bit block(s) transmitted in the Q1 time window(s) comprise Q1 bit block group(s) of the Q bit block groups, and the Q1 bit block groups(s) is(are) respectively transmitted in the Q1 time window(s); the Q control signaling groups respectively correspond to the Q radio signal groups, all control signalings comprised in a control signaling group respectively correspond to all radio signals comprised in a corresponding radio signal group, a control signaling comprises configuration information of a corresponding radio signal, and the configuration information comprises at least one of occupied time-domain resources, occupied frequency-domain resources, a Modulation and Coding Status (MCS), a Redundancy Version (RV) or a New Data Indicator (NDI); a bit block in the Q bit block groups comprises at least one Transport Block (TB) or at least one Code Block Group (CBG). 
 
     
     
       18. The base station according to  claim 16 , wherein the first feedback information comprises Q1 field(s), the Q1 field(s) respectively corresponds(correspond) to the Q1 time window(s), and each of the Q1 field(s) is used for determining whether bit block(s) transmitted in a corresponding time window is(are) correctly decoded, the first control signaling is used for determining the number of bit block(s) comprised in each of the Q1 field(s). 
     
     
       19. The base station according to  claim 16 , wherein the first field comprises 2 bits. 
     
     
       20. The base station according to  claim 16 , wherein the first control signaling indicates Q1, the Q1 time window(s) of the present disclosure is(are) respectively Q1 latest time window(s).